Home / 12,192.37-16,819.66-7,941.90

Finding the Fourth Proportional to 12,192.37, 16,819.66 and 7,941.90

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Solution

The fourth proportional to 12,192.37, 16,819.66 and 7,941.90 is: 10,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.37 : 16,819.66 = 7,941.90 : x
  2. Step 2: Convert to fraction form
    12,192.37/16,819.66 = 7,941.90/x
  3. Step 3: Cross multiply
    12,192.37x = 16,819.66 × 7,941.90
  4. Step 4: Simplify right side
    12,192.37x = 133,580,057.75
  5. Step 5: Solve for x
    x = 133,580,057.75/12,192.37
  6. Step 6: Final answer
    x = 10,956.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.